What Is Agnosia?
Reviewed: Dr. Gromatzky
5. Gustatory and Olfactory Agnosia
Gustatory agnosia can be defined as the inability to identify or recognize a taste despite retaining the ability to distinguish between different tastes. The ability to distinguish between different tastes may be partial, general, specific, or normal.
Since agnosia is rare with the commonest types of agnosia being visual, auditory, and tactile, very little literature exists regarding gustatory agnosia. One study in 2005 reported that it involves the anteromedial temporal lobe. In olfactory agnosia, the patient is unable to identify or classify a smell despite having a partial, specific, general, or normal ability to distinguish between different odorants. There is also very little literature regarding olfactory agnosia.
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